[NTG-context] Bug in \underbar ?

Sorry for this innacurate email, but I'm seeing something strange with \underbar. I'm using columnset with 2 columns, and \underbar appear in a \section head customization. luatex --vers This is LuaTeX, Version snapshot-0.29.0-2008072308 ConTeXt ver: 2008.05.21 15:21 MKIV fmt: 2008.7.23 int: english/english ASAP I will made an example. -- luigi